67 lines
1.7 KiB
Go
67 lines
1.7 KiB
Go
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//go:build darwin && cgo
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// Package local provides a filesystem interface
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package local
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import (
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"context"
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"runtime"
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"github.com/go-darwin/apfs"
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"github.com/rclone/rclone/fs"
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)
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// Copy src to this remote using server-side copy operations.
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//
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// # This is stored with the remote path given
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//
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// # It returns the destination Object and a possible error
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//
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// Will only be called if src.Fs().Name() == f.Name()
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//
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// If it isn't possible then return fs.ErrorCantCopy
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func (f *Fs) Copy(ctx context.Context, src fs.Object, remote string) (fs.Object, error) {
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if runtime.GOOS != "darwin" || f.opt.TranslateSymlinks {
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return nil, fs.ErrorCantCopy
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}
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srcObj, ok := src.(*Object)
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if !ok {
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fs.Debugf(src, "Can't clone - not same remote type")
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return nil, fs.ErrorCantCopy
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}
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// Create destination
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dstObj := f.newObject(remote)
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err := dstObj.mkdirAll()
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if err != nil {
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return nil, err
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}
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err = Clone(srcObj.path, f.localPath(remote))
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if err != nil {
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return nil, err
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}
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fs.Debugf(remote, "server-side cloned!")
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return f.NewObject(ctx, remote)
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}
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// Clone uses APFS cloning if possible, otherwise falls back to copying (with full metadata preservation)
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// note that this is closely related to unix.Clonefile(src, dst, unix.CLONE_NOFOLLOW) but not 100% identical
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// https://opensource.apple.com/source/copyfile/copyfile-173.40.2/copyfile.c.auto.html
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func Clone(src, dst string) error {
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state := apfs.CopyFileStateAlloc()
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defer func() {
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if err := apfs.CopyFileStateFree(state); err != nil {
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fs.Errorf(dst, "free state error: %v", err)
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}
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}()
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cloned, err := apfs.CopyFile(src, dst, state, apfs.COPYFILE_CLONE)
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fs.Debugf(dst, "isCloned: %v, error: %v", cloned, err)
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return err
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}
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// Check the interfaces are satisfied
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var (
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_ fs.Copier = &Fs{}
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)
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